2 This file is part of GNUnet.
3 (C) 2001, 2002, 2004, 2005, 2006, 2007, 2009 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
22 * @file statistics/gnunet-statistics.c
23 * @brief tool to obtain statistics
24 * @author Christian Grothoff
25 * @author Igor Wronsky
28 #include "gnunet_getopt_lib.h"
29 #include "gnunet_program_lib.h"
30 #include "gnunet_util_lib.h"
31 #include "gnunet_statistics_service.h"
32 #include "statistics.h"
34 #define GET_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1)
42 * Set to subsystem that we're going to get stats for (or NULL for all).
44 static char *subsystem;
47 * Set to the specific stat value that we are after (or NULL for all).
52 * Make the value that is being set persistent.
54 static int persistent;
57 * Watch value continuously
68 * Callback function to process statistic values.
71 * @param subsystem name of subsystem that created the statistic
72 * @param name the name of the datum
73 * @param value the current value
74 * @param is_persistent GNUNET_YES if the value is persistent, GNUNET_NO if not
75 * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
78 printer (void *cls, const char *subsystem, const char *name, uint64_t value,
81 struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get();
83 if (quiet == GNUNET_NO)
85 if (GNUNET_YES == watch)
87 now_str = GNUNET_STRINGS_absolute_time_to_string(now);
88 FPRINTF (stdout, "%24s %s%12s %50s: %16llu \n",
90 is_persistent ? "!" : " ",
91 subsystem, _(name), (unsigned long long) value);
92 GNUNET_free (now_str);
96 FPRINTF (stdout, "%s%12s %50s: %16llu \n",
97 is_persistent ? "!" : " ",
98 subsystem, _(name), (unsigned long long) value);
102 FPRINTF (stdout, "%llu\n", (unsigned long long) value);
109 * Function called last by the statistics code.
112 * @param success GNUNET_OK if statistics were
113 * successfully obtained, GNUNET_SYSERR if not.
116 cleanup (void *cls, int success)
118 if (success != GNUNET_OK)
120 FPRINTF (stderr, "%s", _("Failed to obtain statistics.\n"));
123 GNUNET_SCHEDULER_shutdown ();
128 shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
130 struct GNUNET_STATISTICS_Handle *h = cls;
132 GNUNET_STATISTICS_watch_cancel (h, subsystem, name, &printer, h);
135 GNUNET_STATISTICS_destroy (h, GNUNET_NO);
142 * Main function that will be run by the scheduler.
145 * @param args remaining command-line arguments
146 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
147 * @param cfg configuration
150 run (void *cls, char *const *args, const char *cfgfile,
151 const struct GNUNET_CONFIGURATION_Handle *cfg)
153 struct GNUNET_STATISTICS_Handle *h;
154 unsigned long long val;
158 if ((1 != SSCANF (args[0], "%llu", &val)) || (subsystem == NULL) ||
161 FPRINTF (stderr, _("Invalid argument `%s'\n"), args[0]);
165 h = GNUNET_STATISTICS_create (subsystem, cfg);
171 GNUNET_STATISTICS_set (h, name, (uint64_t) val, persistent);
172 GNUNET_STATISTICS_destroy (h, GNUNET_YES);
176 h = GNUNET_STATISTICS_create ("gnunet-statistics", cfg);
182 if (GNUNET_NO == watch)
185 GNUNET_STATISTICS_get (h, subsystem, name, GET_TIMEOUT, &cleanup,
187 cleanup (h, GNUNET_SYSERR);
191 if ((NULL == subsystem) || (NULL == name))
193 printf (_("No subsystem or name given\n"));
195 GNUNET_STATISTICS_destroy (h, GNUNET_NO);
199 if (GNUNET_OK != GNUNET_STATISTICS_watch (h, subsystem, name, &printer, h))
201 fprintf (stderr, _("Failed to initialize watch routine\n"));
202 GNUNET_SCHEDULER_add_now (&shutdown_task, h);
205 GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_UNIT_FOREVER_REL, &shutdown_task, h);
210 * The main function to obtain statistics in GNUnet.
212 * @param argc number of arguments from the command line
213 * @param argv command line arguments
214 * @return 0 ok, 1 on error
217 main (int argc, char *const *argv)
219 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
220 {'n', "name", "NAME",
221 gettext_noop ("limit output to statistics for the given NAME"), 1,
222 &GNUNET_GETOPT_set_string, &name},
223 {'p', "persistent", NULL,
224 gettext_noop ("make the value being set persistent"), 0,
225 &GNUNET_GETOPT_set_one, &persistent},
226 {'s', "subsystem", "SUBSYSTEM",
227 gettext_noop ("limit output to the given SUBSYSTEM"), 1,
228 &GNUNET_GETOPT_set_string, &subsystem},
230 gettext_noop ("just print the statistics value"), 0,
231 &GNUNET_GETOPT_set_one, &quiet},
233 gettext_noop ("watch value continuously"), 0,
234 &GNUNET_GETOPT_set_one, &watch},
235 GNUNET_GETOPT_OPTION_END
238 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
242 GNUNET_PROGRAM_run (argc, argv, "gnunet-statistics [options [value]]",
244 ("Print statistics about GNUnet operations."),
245 options, &run, NULL)) ? ret : 1;
248 /* end of gnunet-statistics.c */